@inproceedings{nobuhara2004heterogeneous,
  title = {Heterogeneous deformation model for 3D shape and motion recovery from multi-viewpoint images},
  author = {Nobuhara, Shohei and Matsuyama, Takashi},
  booktitle = {Proc.\ of International Symposium on 3D Data Processing, Visualization, and Transmission},
  pages = {566--573},
  year = {2004},
  pdf = {http://vision.kuee.kyoto-u.ac.jp/%7Enob/pdf/nobuhara2004heterogeneous.pdf}
}